University of Minnesota
University of Minnesota
College of Biological Sciences
http://www.cbs.umn.edu/

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An evolutionary perspective on functional diversity in co-occuring willow(salix) species - Experiment 234


Photoprotective leaf pigments and chlorophyll fluorescence measurements during a greenhouse drought experiment

Years Available: 2007

Principle Investigators

Cavender-Bares, Jeannine
Savage, Jessica

View All Experiment and Dataset Methods

ATTRIBUTES

FieldNameDefinitionUnitCode
1YearYear
2ExperimentCDR experiment number
3SpeciesSpecies scientific name
4TimingMeasurements were either taken pre-drought
5NeoAverage leaf concentration of neoxanthin (nmol/cm2)nanomolesPerCentimeterSquared
6VioAverage leaf concentration of violaxanthin (nmol/cm2)nanomolesPerCentimeterSquared
7AnthAverage leaf concentration of antheraxanthin (nmol/cm2)nanomolesPerCentimeterSquared
8LutAverage leaf concentration of lutein (nmol/cm2)nanomolesPerCentimeterSquared
9ZeaAverage leaf concentration of zeaxanthin (nmol/cm2)nanomolesPerCentimeterSquared
10ChlbAverage leaf concentration of neoxanthin (nmol/cm2)nanomolesPerCentimeterSquared
11ChlaAverage leaf concentration of chlorophyll a (nmol/cm2)nanomolesPerCentimeterSquared
12a-carAverage leaf concentration of a-carotene (nmol/cm2)nanomolesPerCentimeterSquared
13B-carAverage leaf concentration of B-carotene (nmol/cm2)nanomolesPerCentimeterSquared
14FoAverage minimal dark-adapted chlorophyll fluorescencedimensionless
15FmAverage maximum dark-adapted chlorophyll fluorescencedimensionless
16FopAverage minimal dark-adapted chlorophyll fluorescence after a far-red pulsedimensionless
17FmpAverage maximum chlorophyll fluorescencedimensionless
18FsAverage steady-state chlorophyll fluorescencedimensionless
19AAverage leaf photosynthetic capacity (mol CO2/m2s)molesPerMeterSquared
20gsAverage leaf stomatal conductance (mol H2O/m2s)molesPerSuareMeters
21water potentialAverage predawn water potential (MPa)megapascal
 

SAMPLE DATASET

Year ExperimentSpeciesTimingNeoVioAnthLutZeaChlbChlaa-carB-carFoFmFopFmpFsAgwater potential
2007E234Salix bebbianapredrought1.241.310.354.260.519.8826.680.213.53402.932307.27353.75714.7551013.520.2-1.3
2007E234Salix bebbianamid-drought1.550.650.324.631.629.0828.10.173.23476.552157.4340.2520468.470.070.03-2.2
2007E234Salix bebbianalate-drought0.740.410.281.880.713.0510.610.111.26400.581868.7259.53404.93374.250.760.02-24.3
2007E234Salix candidapredrought1.812.120.313.850.3212.6732.410.13.94403.282278.42348.37678.1479.9213.850.18-1.9
2007E234Salix candidamid-drought1.71.560.474.891.0611.5436.090.243.89447.032233.75331.75629.43517.325.540.09-2.2
2007E234Salix candidalate-drought1.291.130.413.680.996.1922.550.242.66460.372068.32320.6513.38464.5520.04-13.8
2007E234Salix discolorpredrought1.882.10.294.940.1615.2742.020.254.49395.782274.98351.72696.47496.6715.90.24-0.8
2007E234Salix discolormid-drought1.250.470.434.092.129.2325.210.163.03477.322182.38348.62542.12504.7300.03-1.5
2007E234Salix discolorlate-drought0.850.430.372.061.243.813.470.131.26465.41843.55225.35320.75294.200.01-25.5
2007E234Salix pedicellarispredrought2.342.150.395.190.2914.6440.440.334.21399.132268.02303.92579.5424.6813.980.25-1.6
2007E234Salix pedicellarismid-drought1.70.930.384.721.0810.0432.570.323.46408.52074.75298.3552.02449.456.260.17-1.6
2007E234Salix pedicellarislate-drought1.111.270.273.10.764.4114.360.161.46363.961319.56228.96358.74329.461.660.05-15.4
                     

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An evolutionary perspective on functional diversity in co-occuring willow(salix) species: Photoprotective leaf pigments and chlorophyll fluorescence measurements during a greenhouse drought experiment

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